MaddyStezsuzi8 MaddyStezsuzi8

16-07-2016
Chemistry

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how many moles of lead (pb) atoms are in 354 g pb? 9.72 × 10^-25 mol 0.585 mol 1.71 mol 3.52 × 10^23 mol

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Willchemistry Willchemistry

17-07-2016

Molar mass Pb = 207.2 g/mol

1 mole ---------------- 207.2 g
( moles Pb) ---------- 354 g

moles Pb = 354 x 1 / 207.2

moles Pb = 354 / 207.2

= 1.71 moles

hope this helps!

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